--- loncom/interface/lonchatfetch.pm	2006/05/18 01:08:50	1.24
+++ loncom/interface/lonchatfetch.pm	2006/06/28 23:56:09	1.28
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Chat Fetching
 #
-# $Id: lonchatfetch.pm,v 1.24 2006/05/18 01:08:50 raeburn Exp $
+# $Id: lonchatfetch.pm,v 1.28 2006/06/28 23:56:09 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,6 +34,9 @@ use Apache::lontexconvert;
 use Apache::loncommon;
 use Apache::lonnet;
 use Apache::longroup;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
+ 
 
 sub handler {
     my $r = shift;
@@ -45,8 +48,9 @@ sub handler {
     my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
     if (defined($env{'form.group'})) {
         $group = $env{'form.group'};
-        if (! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
-				       $group) ) {
+        if ((! &Apache::lonnet::allowed('pgc',$env{'request.course.id'}.'/'.
+				       $group)) &&
+           (! &Apache::lonnet::allowed('vcg',$env{'request.course.id'}))) {
             return HTTP_NOT_ACCEPTABLE;
         }
         my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$group);
@@ -54,7 +58,7 @@ sub handler {
             my %group_info = 
 		&Apache::longroup::get_group_settings($curr_groups{$group});
             $grouptitle = 
-		'<b>'.&Apache::lonnet::unescape($group_info{description}).
+		'<b>'.&unescape($group_info{description}).
 		'</b><br />';
         }
     } elsif (! &Apache::lonnet::allowed('pch',$env{'request.course.id'}.
@@ -104,10 +108,17 @@ sub handler {
 					   {'only_body' => 1,
 					    'bgcolor'   => '#FFFFFF',
 					    'js_ready'  => 1,});
+	# removing the CSS reference for now
+	# see BUG# 4839
+        # to fix, need to either write the whole webpage to the bottom frame
+        # everytime or store the page in a js variable somewhere.
+	# although in tryng both of these ideas, the .scroll to 
+	# the bottom seems to fail.
+	$newstuff =~ s|(<link.*?/>)||;
     }
     my @participants=();
     foreach (@entries) {
-	my ($id,$msg,$udom)=split(/\:/,&Apache::lonnet::unescape($_));
+	my ($id,$msg,$udom)=split(/\:/,&unescape($_));
  	if ($id eq 'active_participant') {
            chomp($udom);
 	   my $participant= &Apache::loncommon::nickname($msg,$udom);
@@ -117,8 +128,8 @@ sub handler {
 	    chomp($msg);
 	    my ($msgtime,$msgnum)=split(/\_/,$id);
 	    my ($sdom,$snum,$anon,$contrib)=split(/\:/,
-					     &Apache::lonnet::unescape($msg));
-	    $contrib=&Apache::lonnet::unescape($contrib);
+					     &unescape($msg));
+	    $contrib=&unescape($contrib);
 	    &Apache::lonfeedback::newline_to_br(\$contrib);
 	    ($contrib,my $errors)=&Apache::lontexconvert::msgtexconverted($contrib);
 	    if ($errors) { $contrib.="[Message not fully displayed due to incorrect embedded TeX]"; }
@@ -156,10 +167,10 @@ sub handler {
 	    $color=substr($color,0,6);
 	    my $timestamp=localtime($msgtime);
 	    my ($mhour,$mmin,$msec)=($timestamp=~/(\d\d)\:(\d\d)\:(\d\d)/);
-	    $newstuff.='<font color="#'.$color.'"><a name="'.$id.'"><b>'.
+	    $newstuff.='<font color="#'.$color.'"><a name="LC_'.$id.'"></a><b>'.
 		$sender.'</b> ('.$mhour.':'.$mmin.':'.$msec.'): '.
-		$contrib."</font><br>";
-	    $bottomid=$id;
+		$contrib."</font><br />";
+	    $bottomid='LC_'.$id;
 	} else {
 	    $_=~/^(\w+)/;
 	    if ($1 eq $env{'form.lastid'}) { $include=1; }
@@ -168,7 +179,7 @@ sub handler {
     my $participant_output=join('<br />',sort @participants);
     my $refresh_cmd = "/adm/chatfetch?lastid=$lastid";
     if (defined($group)) {
-        $refresh_cmd .= "&group=$group";
+        $refresh_cmd .= "&amp;group=$group";
     }
     my $start_page = 
 	&Apache::loncommon::start_page('Chat',undef,